Kshamenk, the last killer whale held in captivity in Latin America, died of cardiorespiratory arrest in Argentina at age 35, ...

Researchers say the behavior has never before been observed in the population. Watch dolphins and killer whales hunt together ...

Some say they got this name because sailors noticed their ability to dispatch enormous whales and dubbed them ‘whale killers’ ...

White-sided dolphins seem to help killer whales "scout" and catch Chinook salmon near Vancouver Island, then eat the ...

Killer Whales Face Off Against the Ocean’s Most Feared Giants | Wild Animals | Animal fights. Beneath the ocean’s calm surface lies a realm where silent strategy rules and the Orca leads the way. In ...

Scientists say dolphins and orcas have teamed up to hunt salmon off British Columbia. It’s the first time such behavior has been documented between the two mammals.

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals.

In the serene surface of the Gulf of California, a harrowing spectacle is developing. Near the surface ridden with confusion and gushing blood, a juvenile great white shark struggles. A pod of killer ...

New research suggests the two top predators have forged a co-operative rather than competitive relationship to find and feast ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

Two killer whales scrubbing kelp between their backs, also known as “allokelping.” Credit: Center for Whale Research, NMFS NOAA Permit 27038 Lots of animals use tools to get their food, but ...

Primates, birds, and elephants are all known to make tools, but examples of tool use among marine animals are much more limited. Reporting in the Cell Press journal Current Biology on June 23, a team ...